Neuroradiologic study of hamartomas of the tuber cinereum and hypothalamus

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Abstract
Five cases, four histologically proven, of hamartoma of the tuber cinereum and hypothalamus in children are reported. The ages of the patients range from 2 to 12 years. Three cases had pubertas praecox, and in all of these the hamartoma was located in the basal cistern between the chiasm and pons and had a collar button shape and size typical of hamartoma of the tuber cinereum. In the third case, a huge calcified mass in the suprasellar region was initially thought to be craniopharyngioma. The fourth case had a hamartoma within the substance of the hypothalamus and presented with hyponatremia and temporal lobe seizures.